سُورَةُ النَّاسِ al-Nās

When it is recited

Al-Falaq and al-Nās are the two sūrahs of seeking refuge (al-muʿawwidhatān). The Prophet ﷺ said of them that āyāt had been sent down whose like had never been seen (Ṣaḥīḥ Muslim 814). Each night before sleeping he recited them with al-Ikhlāṣ, blew lightly into his cupped hands and wiped them over as much of his body as he could, three times (Ṣaḥīḥ al-Bukhārī 5017). When he was ill he recited them over himself and blew lightly (al-Bukhārī 5016). He told ʿUqbah ibn ʿĀmir to recite the sūrahs of refuge (al-muʿawwidhāt) after every prayer (Sunan Abī Dāwūd 1523, graded ṣaḥīḥ by al-Albānī; Jāmiʿ al-Tirmidhī 2903, graded ḥasan in the Darussalam edition). And he taught reciting them with al-Ikhlāṣ three times in the evening and in the morning, saying they would be enough for you against everything (Abū Dāwūd 5082, graded ḥasan by al-Albānī; al-Tirmidhī 3575, which al-Tirmidhī graded ḥasan ṣaḥīḥ gharīb).^{4,5,6,7,8,9,10}

Sources

1. al-Ṭabarī, Jāmiʿ al-Bayān, on 114:4
2. al-Ṭabarī, Jāmiʿ al-Bayān, on 114:5
3. Ibn Kathīr, Tafsīr al-Qurʾān al-ʿAẓīm, on 114:6
4. Ṣaḥīḥ Muslim 814a
5. Ṣaḥīḥ al-Bukhārī 5017
6. Ṣaḥīḥ al-Bukhārī 5016
7. Sunan Abī Dāwūd 1523Grading: ṣaḥīḥ (al-Albānī (as shown on sunnah.com))
8. Jāmiʿ al-Tirmidhī 2903Grading: ḥasan (Darussalam (as shown on sunnah.com))
9. Sunan Abī Dāwūd 5082Grading: ḥasan (al-Albānī (as shown on sunnah.com))
10. Jāmiʿ al-Tirmidhī 3575Grading: ḥasan ṣaḥīḥ gharīb (al-Tirmidhī (his own grading, in the Arabic text on sunnah.com))